Kangnice 45Pcs Steel Wire Wheels Pen Brushes Set Kit Accessories for Dremel Rotary Tool With small, good polishing effect, high efficiency, low cost.Widely used in the micro- electronic devices, and other industries. Fit for your polishing need,can use for metal and nonmetal materials Suitable for metal surface cleaning, derusting, grinding, dusting, deburring, polishing, stripping residue Handle Length:40mm/1.57''(Approx),Material:Stainless Steel 15pcs x 6mm Steel Wire Brush Wheel,15pcs x 15mm Steel Wire Brush Wheel,15pcs x 25mm Steel Wire Brush Wheel